Electrochaea (St. Louis, MO), a start-up company says it plans to begin industrial-scale testing of a proprietary anaerobic technology that converts waste CO2 and excess electric power and water into oxygen and usable, storable energy in the form of methane. Waste CO2 streams from power plants and other facilities can be used as a feedstock for the process, while the technology can also capture excess electric power from renewable resources such as wind turbines and solar panels. Electrochaea has formed an agreement with major European energy provider EON...